ATEX & IECEx HART Signal Repeater

Model : PR 9106B

Brand: PR Electronics

Isolated barrier and HART transparent repeater for harsh and hazardous environments.

  • 24 VDC supply via power rail or connectors
  • 2-wire transmitter input
  • Active and passive mA input
  • Active or passive output via the same two terminals
  • Splitter function – 1 in and 2 out
  • Loop break and sensor error detection
  • 2.6kVAC galvanic isolation
  • SIL3 Full Assessment and certified acc. to IEC 61508

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Isolated Barrier, Repeater


PR Electronics

Number of Inputs

1, 2

Input Type

DC Current, Thermocouple, Transmitter

Number of Outputs

1, 2

Output Type

DC Current

Transmission Rate

2400 to 115200 bit/s


4500 series devices


≤ ±16 μA


ATEX, CCC, DNV, EAC Ex, FM, IECEx, INMETRO, NEPSI, SIL2 Full Assessment IEC 61508, SIL3 Full Assessment IEC 61508, UL

Power Supply

20…30 VDC


2.6 kVAC

Operating Temperature

-20 to +60°C

Temperature Coefficient

< ±0.01% of span /°C

Protection Degree

IP 20


109×23.5×104 mm



Other product features

1ch, 2ch

Barrier Version

25.3 VDC, 27.5 VDC


250 g


175 × 150 × 35 mm


  • 9106B is a 1- or 2-channel isolated 1:1 repeater barrier for intrinsic safety applications.
  • The device supplies 2-wire SMART transmitters and can also be used for 2-wire SMART current sources. HART & BRAIN protocols are supported and are transferred bi-directionally.
  • 9106B can be mounted in the safe area or in zone 2 / Cl. 1, div. 2 and receive signals from zone 0, 1, 2 and zone 20, 21, 22 including mining / Class I/II/III, Div. 1, Gr. A-G.
  • For duplication/migration purposes, the outputs can be sent to two different DCS/PLC/HMI or any monitoring system.
  • In safety applications (SIL loops), the 9106BxBx can be used as a splitter with the following output configuration:
    • When using 9106BxBx in a SIL2 safety function, channel 1 is used for the safety loop. Channel 2 can be used for any non-safety device.
    • For higher safety purposes (SIL 3), 9106BxBx can be used as a splitter for SIL 3 loops. Channel 1 and 2 are then connected to the same safety PLC, where channel 2 is used as a redundant diagnostic channel (for more information, consult the FMEDA Report and the Safety Manual).

Advanced features

  • The PR 45xx detachable display and the green and red front LEDs indicate operation status for each channel.
  • Monitoring of error events and cable breakage on input via the individual status relay and/or a collective electronic signal via the power rail.
  • Suitable for the use in systems up to Performance Level “d” according to ISO-13849.

Technical characteristics

  • High galvanic isolation of 2.6 kVAC.
  • Fast response time <5 ms
  • High accuracy better than 0.1%.
  • 2-wire transmitter supply >16 V.


  • The devices can be mounted vertically or horizontally without distance between neighboring units.

Source: PR9106B Official Page

Product Documents:


PR Electronics Solutions:

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